<template>
	<view class="my-settle-container">
		<!-- 全选 -->
		<label class="radio" @click="changeAllState">
			<radio color="#C00000" :checked="isFullCheck"/><text>全选</text>
		</label>
		<!-- 合计 -->
		<view class="amout-box">
			合计:<text class="amout">${{checkGoodsAmout}}</text>
		</view>
		<!-- 结算按钮 -->
		<view class="btn-settle" @click="settlement">
			结算{{checkedCount}}
		</view>
	</view>
</template>
<script>
	import {mapGetters, mapMutations, mapState} from 'vuex'
	
	export default {
		data() {
			return{
				//倒计时秒数
				seconds: 3,
				//定时器
				timer: null
			};
		},
		computed: {
			...mapGetters('m_cart',['checkedCount','total','checkGoodsAmout']),
			...mapGetters('m_user',['addstr']),
			...mapState('m_user',['token']),
			...mapState('m_cart',['cart']),
			isFullCheck() {
				return this.total === this.checkedCount
			}
		},
		methods: {
			...mapMutations('m_cart',['updateAllGoodsState']),
			...mapMutations('m_user',['updateRedirectInfo']),
			changeAllState(){
				this.updateAllGoodsState(!this.isFullCheck)
			},
			//用户点击了结算按钮
			settlement(){
				if(!this.checkedCount){
					return uni.$showMsg('请选择要结算的商品')
				}
				if(!this.addstr){
					return uni.$showMsg('请选择收货地址')
				}
				if(!this.token){
					return this.delayNavigate()
				}
				this.payOrder()
			},
			async payOrder(){
				//创建订单
				//组织订单的信息对象
				const orderInfo = {
					order_price: 0.01,
					consignee_adde: this.addstr,
					goods: this.cart.filter(x => x.goods_state).map(x => ({
						goods_id: x.goods_id,
						goods_number: x.goods_count,
						goods_price: x.goods_price
					}))
				}
				//发起请求创建订单
				const {data: res}= await uni.$http.post('/api/public/v1/my/orders/create',orderInfo)
				if(res.meta.status !== 200){
					 uni.$showMsg('创建订单失败')
				}
				
				//得到服务器响应的订单编号
				const orderNumber = res.message.order_number
				//订单预支付
				//发起请求获取订单支付信息
				const {data : res2}= await uni.$http.post('/api/public/v1/my/orders/req_unifiedorder', {order_number: orderNumber})
				//预付订单生成失败
				if(res2.meta.status!==200){
					return uni.$showMsg('预付订单生成失败')
				}
				//得到订单支付相关必要参数
				const payInfo= res2.message.pay
				//发起微信支付
				//调用微信支付接口
				const [err,succ] = await uni.requestPayment(payInfo)
				//未完成支付
				if(err){
					return uni.$showMsg('订单未支付')
				}
				//完成了支付
				const {data: res3}= await uni.$http.post('/api/public/v1/my/orders/chkOrder',{order_number: orderNumber})
				//检测到订单未完成
				if(res3.meta.status!=200){
					return uni.$showMsg('订单未支付')
				}
				//检测到订单支付完成
				uni.showToast({
					title: '订单支付完成',
					icon: 'success'
				})
			},
			//延时导航到登录页面
			delayNavigate(){
				this.seconds=3
				this.showTips(this.seconds)
				this.timer= setInterval(() =>{
					this.seconds--
					if(this.seconds<=0){
						clearInterval(this.timer)
						uni.switchTab({
							url:'/pages/my/my',
							success: () => {
								this.updateRedirectInfo({
									openType: 'switchTab',
									from: '/pages/cart/cart'
								})
							}
						})
						return
					}
					this.showTips(this.seconds)
				},1000)
			},
			//展示倒计时提示消息
			showTips(n){
				uni.showToast({
					icon:'none,',
					title: '请登录后再结算!' + n + '秒后自动跳转到登录页',
					mask:true,
					duration:1500
				})
			}
		}
	}
	
</script>
<style lang="scss">
	.my-settle-container{
		display: flex;
		justify-content: space-between;
		align-items: center;
		position: fixed;
		bottom: 0%;
		left: 0%;
		width: 100%;
		height: 50px;
		background-color: white;
		font-size: 14px;
		padding-left: 5px;
		.radio{
			display: flex;
			align-items: center;
		}
		
		.amout-box{
			.amout{
				color: #C00000;
				font-weight: bold;
			}
		}
		
		.btn-settle{
			background-color: #C00000;
			height: 50px;
			color: white;
			line-height: 50px;
			padding: 0,10px;
			min-width: 100px;
			text-align: center;
		}
	}
</style>
